Word: 优胜劣汰 (yōushèngliètài) Traditional: 優勝劣汰 优胜劣汰 dictionary entry yōushèngliètài survival of the fittest Full dictionary entry for 优胜劣汰 Example sentences using 优胜劣汰 2 sentences, showing page 1 of 1. 市场竞争就是优胜劣汰。 Shìchǎngjìngzhēng jiùshì yōushèngliètài. Market competition is survival of the fittest. 自然界中优胜劣汰很常见。 Zìránjiè zhōng yōushèngliètài hěn chángjiàn. Survival of the fittest is very common in nature.